Stiferite® CLASS B are sandwich panels composed of a high performance insulation board with a rigid polyisocyanurate polyiso foam core, blowing without CFC or HCFC, covered on one side with mineral saturated fiber glass and on one side with bituminous fiber glass with PPE layer.

Main applications:
- insulation of roofs also under synthetic mantles
- insulation of floors
- insulation of walls
- external thermal insulation

Standard dimensions: 600 x 1200 mm
Standard thicknesses: 30 – 40 – 50 – 60 – 80 – 100 - 110 - 120 mm